TY - RPRT TI - Electron-beam-breakup transit-time oscillator. AU - TJ Kwan AU - MA Mostrom AU - BB Godfrey PY - 1991 DO - 10.1103/physrevlett.66.3221 UR - https://pubmed.ncbi.nlm.nih.gov/10043730/ ID - 10043730 ER -